| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 24 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Production of goods from wood | |
| #3 | Cranes | |
| #4 | Containers for goods storage | |
| #5 | Shaping clay | |
| #6 | Paper goods | |
| #7 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schaefer Dipl-Ing Heinrich | 18 |
| #2 | Schroeder Erwin | 2 |
| #3 | Wittek Helmut | 2 |
| #4 | Schaefer Anneliese | 1 |
| #5 | Dolezal Walter | 1 |
| #6 | Hattensperger Robert | 1 |
| #7 | Helzel Kurt | 1 |